Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a warm 80.8°F (27.1°C) to an agreeable 72°F (22.2°C). Gwinner's temperature lowers to a mean of 52.7°F (11.5°C) during the nights in September.Humidity
September is the least humid month, with an average relative humidity of 62%.Rainfall
In Gwinner, North Dakota, during September, the rain falls for 8.8 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Gwinner, during the entire year, the rain falls for 102.2 days and collects up to 18.19" (462mm) of precipitation.Snowfall
June through September are months without snowfall in Gwinner.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 6:52 am and sunset at 8:08 pm. On the last day of September, in Gwinner, North Dakota, sunrise is at 7:28 am and sunset at 7:11 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. It's recommended to limit sun exposure when its radiation is at its peak during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gwinner in September?
What is the least humid month in Gwinner?
What is the average humidity in September in Gwinner?
How much does it rain in Gwinner in September?
When it does not snow in Gwinner?
Does it snow in Gwinner in September?
How many hours of daylight does Gwinner have in September?
What time are sunrise and sunset in September in Gwinner?
How many hours of sunshine does Gwinner have in September?
What is the UV index intensity in September in Gwinner?
Average temperature in September
Gwinner, ND
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (5°F).
Average pressure in September
Gwinner, ND
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Gwinner, ND
- Average wind speed in September: 9.8mph
The windiest months (with the highest average wind speed) are April and October (10.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Gwinner, ND
- Average humidity in September: 62%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is September (62%).
Average rainfall in September
Gwinner, ND
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is June (3.54").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Gwinner, ND
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is June (15.3 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Gwinner, ND
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Gwinner, ND
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gwinner, ND
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Gwinner, ND
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Gwinner, ND
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Gwinner, ND
- Average cloud cover in September: 27
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 24).
Average visibility in September
Gwinner, ND
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Gwinner, North Dakota, USA
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